Question

A container open at the top and made up of metal sheet is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends aa 8cm and 20 cm respectively. Find the cost of milk which cam completely fill tge container at the rate of rs 50 per litee

Answer 1

Cost :-

$</strong><strong>{</strong><strong>=</strong><strong>1</strong><strong>9</strong><strong>5</strong><strong>9</strong><strong>.</strong><strong>3</strong><strong>6</strong><strong>×</strong><strong>5</strong><strong>0</strong><strong>}</strong><strong>$

$</strong><strong>{</strong><strong>=</strong><strong>9</strong><strong>7</strong><strong>9</strong><strong>6</strong><strong>8</strong><strong> </strong><strong>\</strong><strong>:</strong><strong> </strong><strong>ruppes</strong><strong> </strong><strong>}</strong><strong>$

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